Ink cartridge



FIG. 1 is a top, front and right side perspective view of an ink cartridge embodying our new design;

FIG. 2 is a bottom, rear and right side perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a rear view thereof;

FIG. 8 is a front view thereof;

FIG. 9 is a top, front and right side perspective view of a second embodiment of FIG. 1;

FIG. 10 is a bottom, rear and right side perspective view of FIG. 9;

FIG. 11 is a top plan view of FIG. 9;

FIG. 12 is a bottom plan view of FIG. 9;

FIG. 13 is a left side view of FIG. 9;

FIG. 14 is a right side view of FIG. 9;

FIG. 15 is a rear view of FIG. 9; and,

FIG. 16 is a front view of FIG. 9. 

The ornamental design for an ink cartridge, as shown and described. 